EP4503012A4 - Keyboard pushdown amount sensor device - Google Patents

Keyboard pushdown amount sensor device

Info

Publication number
EP4503012A4
EP4503012A4 EP23780207.9A EP23780207A EP4503012A4 EP 4503012 A4 EP4503012 A4 EP 4503012A4 EP 23780207 A EP23780207 A EP 23780207A EP 4503012 A4 EP4503012 A4 EP 4503012A4
Authority
EP
European Patent Office
Prior art keywords
keyboard
sensor device
degree sensor
thrust degree
thrust
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP23780207.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4503012A1 (en
Inventor
Yuki Ogasawara
Hayato NISHIOKA
Shinichi Furuya
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Group Corp
Original Assignee
Sony Group Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Group Corp filed Critical Sony Group Corp
Publication of EP4503012A1 publication Critical patent/EP4503012A1/en
Publication of EP4503012A4 publication Critical patent/EP4503012A4/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C1/00—General design of pianos, harpsichords, spinets or similar stringed musical instruments with one or more keyboards
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C3/00—Details or accessories
    • G10C3/12—Keyboards; Keys
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C5/00—Combinations with other musical instruments, e.g. with bells or xylophones
    • G10C5/10—Switching musical instruments to a keyboard, e.g. switching a piano mechanism or an electrophonic instrument to a keyboard; Switching musical instruments to a silent mode
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10G—REPRESENTATION OF MUSIC; RECORDING MUSIC IN NOTATION FORM; ACCESSORIES FOR MUSIC OR MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR, e.g. SUPPORTS
    • G10G3/00—Recording music in notation form, e.g. recording the mechanical operation of a musical instrument
    • G10G3/04—Recording music in notation form, e.g. recording the mechanical operation of a musical instrument using electrical means
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
    • G10H1/04—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation
    • G10H1/053—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation during execution only
    • G10H1/055—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation during execution only by switches with variable impedance elements
    • G10H1/0553—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation during execution only by switches with variable impedance elements using optical or light-responsive means
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/32—Constructional details
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/32—Constructional details
    • G10H1/34—Switch arrangements, e.g. keyboards or mechanical switches specially adapted for electrophonic musical instruments
    • G10H1/344—Structural association with individual keys
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2220/00—Input/output interfacing specifically adapted for electrophonic musical tools or instruments
    • G10H2220/155—User input interfaces for electrophonic musical instruments
    • G10H2220/221—Keyboards, i.e. configuration of several keys or key-like input devices relative to one another
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2220/00—Input/output interfacing specifically adapted for electrophonic musical tools or instruments
    • G10H2220/155—User input interfaces for electrophonic musical instruments
    • G10H2220/265—Key design details; Special characteristics of individual keys of a keyboard; Key-like musical input devices, e.g. finger sensors, pedals, potentiometers, selectors
    • G10H2220/271—Velocity sensing for individual keys, e.g. by placing sensors at different points along the kinematic path for individual key velocity estimation by delay measurement between adjacent sensor signals
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2220/00—Input/output interfacing specifically adapted for electrophonic musical tools or instruments
    • G10H2220/155—User input interfaces for electrophonic musical instruments
    • G10H2220/265—Key design details; Special characteristics of individual keys of a keyboard; Key-like musical input devices, e.g. finger sensors, pedals, potentiometers, selectors
    • G10H2220/275—Switching mechanism or sensor details of individual keys, e.g. details of key contacts, hall effect or piezoelectric sensors used for key position or movement sensing purposes; Mounting thereof
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2220/00—Input/output interfacing specifically adapted for electrophonic musical tools or instruments
    • G10H2220/155—User input interfaces for electrophonic musical instruments
    • G10H2220/265—Key design details; Special characteristics of individual keys of a keyboard; Key-like musical input devices, e.g. finger sensors, pedals, potentiometers, selectors
    • G10H2220/305—Key design details; Special characteristics of individual keys of a keyboard; Key-like musical input devices, e.g. finger sensors, pedals, potentiometers, selectors using a light beam to detect key, pedal or note actuation
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components
    • H05K1/181—Printed circuits structurally associated with non-printed electric components associated with surface mounted components
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10151—Sensor

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Electrophonic Musical Instruments (AREA)
EP23780207.9A 2022-03-31 2023-03-24 Keyboard pushdown amount sensor device Pending EP4503012A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022059430 2022-03-31
PCT/JP2023/011903 WO2023190197A1 (ja) 2022-03-31 2023-03-24 鍵盤押下量センサデバイス

Publications (2)

Publication Number Publication Date
EP4503012A1 EP4503012A1 (en) 2025-02-05
EP4503012A4 true EP4503012A4 (en) 2025-07-30

Family

ID=88201496

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23780207.9A Pending EP4503012A4 (en) 2022-03-31 2023-03-24 Keyboard pushdown amount sensor device

Country Status (5)

Country Link
US (1) US20250172382A1 (https=)
EP (1) EP4503012A4 (https=)
JP (1) JPWO2023190197A1 (https=)
CN (1) CN118871980A (https=)
WO (1) WO2023190197A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN121090063B (zh) * 2025-09-11 2026-04-17 常州视感科技有限公司 一种电子琴琴键按键行程测试装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4351221A (en) * 1979-06-15 1982-09-28 Teledyne Industries, Incorporated Player piano recording system
US20030202834A1 (en) * 2002-03-01 2003-10-30 Shigeaki Sato Key depression detection apparatus for keyboard instrument
CN204390723U (zh) * 2014-11-05 2015-06-10 甘茂鹏 基于光敏感应技术的钢琴琴键状态检测与指示装置
KR101644358B1 (ko) * 2015-12-23 2016-08-01 주식회사 유에스알랩 센서 보호커버가 구비된 피아노 타건 감지장치
CN214671786U (zh) * 2021-02-04 2021-11-09 晋江市锦乐电子科技有限公司 一种电钢琴的琴键检测装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4768412A (en) * 1986-05-09 1988-09-06 Sanderson Stephen N Low profile keyboard device and system for recording and scoring music
US5231283A (en) * 1989-03-27 1993-07-27 Gulbransen, Inc. Opto-electronic sensing method and device for an acoustic piano
US5567902A (en) * 1995-01-06 1996-10-22 Baldwin Piano And Organ Company Method and apparatus for optically sensing the position and velocity of piano keys
CN1457036A (zh) * 2003-05-21 2003-11-19 孙玮 钢琴键盘动作光电数字检测装置
US11508344B2 (en) 2017-12-27 2022-11-22 Sony Corporation Information processing device, information processing method and program
US11087636B2 (en) * 2018-04-20 2021-08-10 Xingxin Liu Lights-guided piano learning and teaching apparatus, and method
CN211878796U (zh) * 2020-03-23 2020-11-06 莆田学院 一种钢琴智能辅助学习装置
JP7552646B2 (ja) * 2022-04-14 2024-09-18 カシオ計算機株式会社 スタンド及び鍵盤楽器セット

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4351221A (en) * 1979-06-15 1982-09-28 Teledyne Industries, Incorporated Player piano recording system
US20030202834A1 (en) * 2002-03-01 2003-10-30 Shigeaki Sato Key depression detection apparatus for keyboard instrument
CN204390723U (zh) * 2014-11-05 2015-06-10 甘茂鹏 基于光敏感应技术的钢琴琴键状态检测与指示装置
KR101644358B1 (ko) * 2015-12-23 2016-08-01 주식회사 유에스알랩 센서 보호커버가 구비된 피아노 타건 감지장치
CN214671786U (zh) * 2021-02-04 2021-11-09 晋江市锦乐电子科技有限公司 一种电钢琴的琴键检测装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023190197A1 *

Also Published As

Publication number Publication date
WO2023190197A1 (ja) 2023-10-05
CN118871980A (zh) 2024-10-29
US20250172382A1 (en) 2025-05-29
JPWO2023190197A1 (https=) 2023-10-05
EP4503012A1 (en) 2025-02-05

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